Determine your child's height and weight percentile based on WHO/CDC data.

CalcVerse

Child Growth Percentile Calculator

Example

Input: Boy, 2 Years, 88cm

Result: 50th Percentile (Average)

Step-by-Step Guide

  • Demographics – Select Gender and enter Date of Birth.
  • Measurements – Input current height and weight.
  • Calculate – The tool computes the exact percentile rank.
  • Interpret – 50th percentile is average; higher is larger, lower is smaller.

What is Child Growth Percentile Calculator?

Calculates where a child's physical measurements fall in comparison to the general population of the same age and sex. A percentile indicates the percentage of children who are smaller than your child.

How it Works

The tool compares user inputs (Age, Sex, Height/Weight) against statistical growth charts (WHO for <2 years, CDC for >2 years). Formula: Uses statistical Z-scores derived from population standard deviations. Percentile = CDF(Z-score) * 100.

FAQ

What is a 'normal' percentile?

Anything between the 5th and 95th percentile is considered within the normal range of variation.

Is higher always better?

No. Very high BMI percentiles can indicate risk of obesity, just as very low ones indicate failure to thrive.

WHO vs CDC charts?

WHO charts describe optimal growth under ideal conditions (often breastfed); CDC charts describe typical growth in the US.

Why did the percentile change?

Small measurement errors or growth spurts can cause fluctuations. Look at the long-term trend.

Does this predict adult height?

Roughly, yes, assuming the child stays on their curve.

Conclusion

Tracking growth percentiles over time helps identify trends. While a single measurement tells you size, the *curve* tells you about health. A steady curve is generally healthy, while sudden drops or spikes across percentile lines warrant medical attention.

Explore Related Calculators

References & Standards

This calculator uses formulas and data standards from Standard References to ensure accuracy.

Interactive Calculator Loading...